Torque Converter Clutch Kit: Our 1″ Torque Converter is fully compatible with Comet and TAV2 torque converters. It fits all engines with a 1″ straight crankshaft. Replaces Comet, also apply to Manco go-karts. Additional 2 Sprockets: Torque converter fits a 1″ shaft and comes with a 10 Tooth sprocket for a #40/41/420 chain and a 12 Tooth sprocket for a #35 chain(chain not included). It will work with engine sizes 2HP to 8HP(6HP-6.5HP is the most suitable horsepower). Replacement Model: Our torque converter kit replaces OEM part numbers: Comet 218353A, 219552A, 219456A, 217610A, 203814A, TAV2 30-75, Yelf Dog Drive Unit Q43201W. 30 series of asymmetrical design, some parts have been assembled. Excellent Material: Our go-kart torque converter use high-quality iron and aluminum materials, lightweight, sturdy, and durable. The clutch obtains more power by reducing the engine load, achieving smooth acceleration and shifting. Complete Accessories: Our clutch kit obtains a 1″ dr